// Package database contains the types for schema 'public'.
package database

// Code generated by xo. DO NOT EDIT.

import (
	"errors"
	"time"
)

// Email represents a row from '"public"."email"'.
type Email struct {
	Address   string    `db:"address"`    // address
	UserID    int64     `db:"user_id"`    // user_id
	CreatedAt time.Time `db:"created_at"` // created_at

	// xo fields
	_exists, _deleted bool
}

// Exists determines if the Email exists in the database.
func (e *Email) Exists() bool {
	return e._exists
}

// Deleted provides information if the Email has been deleted from the database.
func (e *Email) Deleted() bool {
	return e._deleted
}

// Insert inserts the Email to the database.
func (e *Email) Insert(db XODB) error {
	var err error

	// if already exist, bail
	if e._exists {
		return errors.New("insert failed: already exists")
	}

	// sql insert query, primary key must be provided
	const sqlstr = `INSERT INTO "public"."email" (` +
		`"address", "user_id", "created_at"` +
		`) VALUES (` +
		`$1, $2, $3` +
		`)`

	// run query
	XOLog(sqlstr, e.Address, e.UserID, e.CreatedAt)
	_, err = db.Exec(sqlstr, e.Address, e.UserID, e.CreatedAt)
	if err != nil {
		return err
	}

	// set existence
	e._exists = true

	return nil
}

// Update updates the Email in the database.
func (e *Email) Update(db XODB) error {
	var err error

	// if doesn't exist, bail
	if !e._exists {
		return errors.New("update failed: does not exist")
	}

	// if deleted, bail
	if e._deleted {
		return errors.New("update failed: marked for deletion")
	}

	// sql query
	const sqlstr = `UPDATE "public"."email" SET (` +
		`"user_id", "created_at"` +
		`) = ( ` +
		`$1, $2` +
		`) WHERE "address" = $3`

	// run query
	XOLog(sqlstr, e.UserID, e.CreatedAt, e.Address)
	_, err = db.Exec(sqlstr, e.UserID, e.CreatedAt, e.Address)
	return err
}

// Save saves the Email to the database.
func (e *Email) Save(db XODB) error {
	if e.Exists() {
		return e.Update(db)
	}

	return e.Insert(db)
}

// Upsert performs an upsert for Email.
//
// NOTE: PostgreSQL 9.5+ only
func (e *Email) Upsert(db XODB) error {
	var err error

	// if already exist, bail
	if e._exists {
		return errors.New("insert failed: already exists")
	}

	// sql query
	const sqlstr = `INSERT INTO "public"."email" (` +
		`"address", "user_id", "created_at"` +
		`) VALUES (` +
		`$1, $2, $3` +
		`) ON CONFLICT ("address") DO UPDATE SET (` +
		`"address", "user_id", "created_at"` +
		`) = (` +
		`EXCLUDED."address", EXCLUDED."user_id", EXCLUDED."created_at"` +
		`)`

	// run query
	XOLog(sqlstr, e.Address, e.UserID, e.CreatedAt)
	_, err = db.Exec(sqlstr, e.Address, e.UserID, e.CreatedAt)
	if err != nil {
		return err
	}

	// set existence
	e._exists = true

	return nil
}

// Delete deletes the Email from the database.
func (e *Email) Delete(db XODB) error {
	var err error

	// if doesn't exist, bail
	if !e._exists {
		return nil
	}

	// if deleted, bail
	if e._deleted {
		return nil
	}

	// sql query
	const sqlstr = `DELETE FROM "public"."email" WHERE "address" = $1`

	// run query
	XOLog(sqlstr, e.Address)
	_, err = db.Exec(sqlstr, e.Address)
	if err != nil {
		return err
	}

	// set deleted
	e._deleted = true

	return nil
}

// User returns the User associated with the Email's UserID (user_id).
//
// Generated from foreign key 'email_user_id_fkey'.
func (e *Email) User(db XODB) (*User, error) {
	return UserByID(db, e.UserID)
}

// EmailByAddress retrieves a row from '"public"."email"' as a Email.
//
// Generated from index 'email_pkey'.
func EmailByAddress(db XODB, address string) (*Email, error) {
	var err error

	// sql query
	const sqlstr = `SELECT ` +
		`"address", "user_id", "created_at" ` +
		`FROM "public"."email" ` +
		`WHERE "address" = $1`

	// run query
	XOLog(sqlstr, address)
	e := Email{
		_exists: true,
	}

	err = db.QueryRow(sqlstr, address).Scan(&e.Address, &e.UserID, &e.CreatedAt)
	if err != nil {
		return nil, err
	}

	return &e, nil
}

// EmailsByUserID retrieves a row from '"public"."email"' as a Email.
//
// Generated from index 'email_user_id_idx'.
func EmailsByUserID(db XODB, userID int64) ([]*Email, error) {
	var err error

	// sql query
	const sqlstr = `SELECT ` +
		`"address", "user_id", "created_at" ` +
		`FROM "public"."email" ` +
		`WHERE "user_id" = $1`

	// run query
	XOLog(sqlstr, userID)
	q, err := db.Query(sqlstr, userID)
	if err != nil {
		return nil, err
	}
	defer q.Close()

	// load results
	res := []*Email{}
	for q.Next() {
		e := Email{
			_exists: true,
		}

		// scan
		err = q.Scan(&e.Address, &e.UserID, &e.CreatedAt)
		if err != nil {
			return nil, err
		}

		res = append(res, &e)
	}

	return res, nil
}